Surf Forecasts:
How big are the waves at Porth Ceriad today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 3.5ft (1.0m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3ft (0.9m), 9s period with WSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.7m), 9s period with SW swell.
The current surf forecast for Porth Ceriad at 3PM is: 0.9m 9s primary swell from a West-southwest direction (forecast issued at 06:00am August 31). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (31 Aug) | 3ft (0.9m) | 9s |
| Evening (31 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Very mild (max 18°C on Wed afternoon, min 15°C on Mon morning). Winds increasing (light winds from the W on Mon afternoon, strong winds from the SSW by Wed morning). | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 9 | WSW 9 | SW 8 | WSW 8 | SW 8 | SW 7 | SW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 98 | 138 | 142 | 138 | 141 | 101 | 72 | 43 | 28 | 37 | 16 | 31 | 35 | 53 | 54 | 31 | 24 | 34 | 94 | 165 | 184 | 200 | 213 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 10:49AM4.33m | 11:07PM4.61m | 11:27AM4.26m | 11:46PM4.43m | 12:07PM4.09m | ||||||||||||||||||
Low Tide | 5:43PM0.44m | 6:11AM0.42m | 6:15PM0.60m | 6:44AM0.65m | 6:48PM0.80m | ||||||||||||||||||
 |  | | | | |  | | |  |  | |  | |  | | | | | | | |  | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 1 | — | 4 | 3 | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 17 | 18 | 17 | 17 |
Feels °C | 11 | 8 | 9 | 9 | 12 | 14 | 13 | 13 | 13 | 11 | 12 | 12 | 11 | 11 | 12 | 15 | 14 | 13 | 12 | 11 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 9 | WSW 9 | SW 8 | WSW 8 | NW 4 | NNW 4 | — | — | — | — | W 17 | W 16 | W 16 | W 16 | W 16 | W 16 | — | — | — |
| kJ | 98 | 138 | 142 | 138 | 141 | 101 | 72 | 43 | 2 | 1 | — | — | — | — | 6 | 5 | 5 | 5 | 5 | 5 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | NNW 5 | NNW 4 | — | — | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 15 | 8 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | NW 4 | NW 5 | NW 5 | NW 5 | NW 5 | — | NW 4 | SW 8 | SW 7 | SW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 16 | 44 | 100 | 60 | 24 | 13 | — | 4 | 28 | 37 | 16 | 31 | 35 | 53 | 54 | 31 | 24 | 34 | 94 | 165 | 184 | 200 | 213 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 525 | 511 | 494 | 373 | 3 | 3 | 3 | 3 | 201 | 126 | 236 | 267 | 296 | 252 | 246 | 229 | 246 | 296 | 312 | 317 | 337 | 267 | 252 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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